Number | Date | Country | Kind |
---|---|---|---|
8810821 | May 1988 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
4231887 | Denny et al. | Nov 1980 | |
4738793 | Travill | Apr 1988 | |
4818424 | Evans et al. | Apr 1989 | |
4923628 | Appel et al. | May 1990 | |
4931203 | Ahmed et al. | Jun 1990 | |
4965015 | Heykourne et al. | Oct 1990 | |
4970017 | Nakamura et al. | Nov 1990 |
Number | Date | Country |
---|---|---|
229671A | Jul 1887 | EPX |
0061296 | Sep 1982 | EPX |
61296A | Sep 1982 | EPX |
219314A | Apr 1987 | EPX |
220024A | Apr 1987 | EPX |
0229671 | Jul 1987 | EPX |
267042A | May 1988 | EPX |
3438654A | May 1985 | DEX |
8421360B | May 1984 | JPX |
8441680B | Oct 1984 | JPX |
61-064798A | Apr 1986 | JPX |
61-69897 | Apr 1986 | JPX |
61-069897A | Apr 1986 | JPX |
555331 | May 1986 | ESX |
1591515 | Jun 1981 | GBX |
1591517 | Jun 1981 | GBX |
1591518 | Jun 1981 | GBX |
Entry |
---|
GB Patent Office Search Report, Search date: 6/'88. |
European Search Report-dated 4/2/90. |